UA 283 then CX 3280 at LAX
Columbus (Ohio) → Los Angeles → Portland (Oregon)
Timetable, Los Angeles time
09:44UA 283 from Columbus (Ohio) at the gate
09:00CX 3280 to Portland (Oregon) leaves the gate
23 h 16 apart on the timetable, overnight
CX 3280 leaves 23 h 16 after UA 283 arrives on the timetable: more than half a day, so not a connection we count.